Pump.



- PATBNTED MAR. 19, 190,7. W. Y. CRUIKSHANK. r

PUMP. Y APPLICATION FILED 0OT;80.19`05.

' 3o ported u on a horizontal axis,- as sho UNITED-sums PATENT OFFICE.

Y. -cRUIKsHANK, or FREELAND, PENNSYLVANIA, AssieNoR or l ONE-HALF ToNixoN MALEY, oF FREELAND, PENNSYLVANIA.

PUMP.

No. 847,735., Specification of Letters'Patent. Patented March4 19, 1907.l

I Application filed October 30, 1905. Serial No. 285.008.

To aZZ whom/'it may concern:4 clearly in Fig. 1, the adjacentextremities of 5` 5 Be it known thatV I, WILLLAM Y. CRUIK- the hollowshafts 12 and 15 do not abut, but

s HANK, a citizen of the United States, and a vthe space therebetweenbridged by a collar residentvv of Freeland, .-iiiv the county of Luorhub 18, which vis rigidly carried uponl an 5 'zerne and State'ofPennsylvania, have ininner shaft 19,l whichshaft extendsjlongituvented anew and Im roved Pum of which dinally within the hollow shafts, asmdi-6o the following is aifu clear, an exact decated. This inner shaftextends'beyond the scri tion. gear-wheel 17, at which r1point it carriesriginvention relates to pumps, andespeidly a gear-wheel 20. he hub 18isproio -cially to rotary lift-pumps. vided with a vane or blade 21.

' The object of the invention is to construct Rotatably mounted in theupper portions 65 a pum of the'class described having'an imvof'thestandards 8 and 9 I rovide a main f prove arrangement of the varieswhereby driving-shaft 22.V Atits-le't extremity, as the efciency of thepump willy-be much inindicated in Fig. 1, this drivmg-shaftcarrie's. v

I5 creased.v rigidly a gear-Wheel 23, which meshes with v' The inventionconsists inthe construction the gear-wheel 1.4, referred to above.. Atits `7'o and combination of parts to be more fully deopposite extremitythe shaft 22 projects bescribed hereinafter, and denitelyset-forth inyond the standard 9 and carries rigidly `a the claim. gear-wheel`24,having a broad face. At the 2U Reference is to be had to the accompany-.right end `of the pump, as viewed Fig. 1, a ing drawings, forming apart of this specificacounter-shaft 25 is mounted to rotate upon a '7 5tiong'in which similar characters of reference vhorizontal axis, thesame being sup ortedin indicatecorresponding parts in both figures. thestandard 9, as shown most clear ym Fig.

Figurel is substantially a vertical central 2. This counter-shaftcarries rigidly a gearf 25 section taken longitudinally of the pump,wheel 26, which meshes with the aforesaid y certain parts being shown inelevation ,and gear-wheel 20. It carries also a second gearv1o- Fig. 2is an end elevation of the pump; f Wheel 27. (Indicated most clear-l in'dotted Referring more particularly to the parts, 1 outline in Fig. 1.)This gear-whee 27 meshes represents the pump-barrel, which s'su with thebroad-faced gear 524 and the broad-' l Wn. it faced gear 24 meshes withthe aforesaid gearis provied withan inlet-opening 2 on its wheel17. 85'lowei.s ide andan outlet-opening 3 on its up- From the arrangementdescribed it should per side. The ends or heads 4 and 5 of this beunderstood. that when a rotation is imarrel are provided with openingsand supparted to the shafts. the hollow shafts 12 and 35 lied 'withsuitable stufhng-boxes 6. A 15 lbe 'rotated in the same direction,

ame 7 provided, having standards A8 vand while the inner shaft 19 willbe rotated in .a 9o` 9 disposed at opposite-extremities thereof, reversedirection. said standards being provid'd with horizon- ReferringtoFig'fl, it will bel s een that the 'tal openings or bores -10y and 11.In the .vanes`13 and 16 have an inclination or pitch 4o .'opemng '10 ahollow shaft 12 is rotatably which is of the saine character, simulatingmounted.`j This yshaft' passes throughvthe the form of a screw. In thisfigure l have 95 stuffingbox '6 into the' in tei;ier of the barrelrepresented its pitch as of a left-hand char- 1, as shown. .Near itsinner'extremity it caracter. On the` other hand, the Vane 21, ries a'rigid vane or blade13l- On its `outer which is carried by the hub'lS,has a-rightl4'5 extremity'b'eyond the standard, 8 it carries `handpitch, so that it is of an opposite char- L'ri idly a gear-wheellfi',the purpose of. which acter to that of the varies 13 and 16; When ioo Wlappear more .fully hereinafter'. L the pump' is being driven in aforward `direc- Rotatably mounted in theropening or bore tion, the`ollowfshafts 12 and 15 will be 1 1 Iprofvide a similar hollow shaftj 15,and driveny in a left-handed or anticlockwise di'- 5o theinnerextremitygof-this shaft 'carriesrig-J reaction.` From thisarrangement they Will idly a blade oi""lvanfef16." The outerexoperate! tadvance the water. tow-ard the :o5 tremity of this shafti carriesrigidly a .gearoutleto yeiiing from the barrel. The vane wheel' 17, thevpurpose ofwhich will appear: 16 "course operate uponjtllQWater first.

more fullyheremafter. A s `i1idi cated most On. accountsof its form thisvane, while it l wey the water el? jglerating tofadvance the water`-.r`5 strike this -go shafts 12 and;15 coll l e water 1s 'reduced andahigher eiiiciency 4`3o wheel 26 one more too I 'wheels and-24,..Wh1

tendsto advancel the Water longitudinally of the vbarrelfit will 'also'tend to give the water fla rotaryl movement in the same direction inwhich this vane isrotated. ARotating in'this is caught, by the vane 21which 'is moved inthe oppositedirection." j In this wayv the vane 21operates very efect-. ively against the Water so as to advance the Sametoward the. vane 13. The fvane 21 in als@ gives 's waterarotary movement1n the same I direction in I direction opposite to' that. in which thevane l1 3Jis advancing.' Hence the vane 13 will water also in aneiective, manner7V oie-ratingl to give this vene a higheHcienc-y,

' liethevane12l.` l n 4 11.1 In order to. providefoi weer, I arrangebetween thehu'b 18 and theends of the'hollowars, 28, as. shown. I preferto give the vane 21 a slightly-increased rotative speed withrespecttothe' vane v16" and also to give .the 1 vane 1'3 a' slightlyl-vincreased rotative speedwith re 2 5 s ect to the vane 2 1,- as in thisway the slip of lis obtained., In order to eiie'ctthis change 'oi's eed,I prefer to'male'the gear-wheels 24 .an 11,7' of eqiial diameter.l Igive the geai-, l 4 th than the gear-wheels '17 and 24, while-@I givethe gear-wheel 2() one lless.- rom. thisv arrangement lthe gear` vAwheel20-wi1l hiwe a slightly-'increased rotay, tivespeedAFiirthe'rmorc, the gear-wheel 23 isformed--witlitw-J more teeth than thegearthe gear-wheel 14 is` which it is movingfthatis, 1n a L .ing a.'

on said inner shaf .shafts and having a. screw' of anv opposite shafts,a main drivinglshaft extending lonname ,to this specification insemesgiven two less. From .this arrangement evidenti' the rotatives eedof thefvane 13 will be s ightlfy greater t an that ofthe vane 21. Thegear-wheel 24. is of course inter- 4o posed between the gearf'wheel" 27and the l gearwheel 17-s'imp'ly for the pur ose of ref, versing themotion, as will be rea ily under' stood. Y v i Having thus vdescribed'my invention, I claim es new and desireto secure by Letters:

v v In a ump, in combination, alberrel, e hollow s aftrottably mountedin one head 'of seid -barrel, a second hollow shaft rotatably mountedf'n the opposite. head of said barrel, screws carried by said shafts andhavitch of like character, an inner shaftv l exten( ing through saidhollow-shafts, Sil-hub t between said hollow pitch. to said firstscrews, means for driving said inner shaft in one direction, gear-wheelscarried v rigidlyrespectivel'y by said hollow-l gitudinally' of' saidpumB, gear-wheels carried 'thereby -andmeshing respectively with saidfirst gear-wheels, and means for driving said inner shaftfromone of saidlastA gear-wheels.

In testimony whereof I have signed my the presence ofA -two 'subscribingwitnesses.

WIIJIAM Y. CRUIKSHANK.

y' Witnesses Nixon MALEY, l P, B. MGTIGHE.

